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<?php
declare(strict_types=1);
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Fluid\ViewHelpers\Be;
use TYPO3\CMS\Backend\Template\ModuleTemplate;
use TYPO3\CMS\Core\Page\PageRenderer;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
/**
* The abstract base class for all backend ViewHelpers
* Note: backend ViewHelpers are still experimental!
*/
abstract class AbstractBackendViewHelper extends AbstractViewHelper
{
/**
* Gets instance of template if exists or create a new one.
* Saves instance in viewHelperVariableContainer
*
* @todo: deprecate. This should be obsolete with the new ModuleTemplate view strategy.
*/
public function getModuleTemplate(): ModuleTemplate
{
$viewHelperVariableContainer = $this->renderingContext->getViewHelperVariableContainer();
if ($viewHelperVariableContainer->exists(self::class, 'ModuleTemplate')) {
$moduleTemplate = $viewHelperVariableContainer->get(self::class, 'ModuleTemplate');
} else {
$moduleTemplate = GeneralUtility::makeInstance(ModuleTemplate::class);
$viewHelperVariableContainer->add(self::class, 'ModuleTemplate', $moduleTemplate);
}
return $moduleTemplate;
}
/**
* Gets instance of PageRenderer if exists or create a new one.
* Saves instance in viewHelperVariableContainer
*/
public function getPageRenderer(): PageRenderer
{
$viewHelperVariableContainer = $this->renderingContext->getViewHelperVariableContainer();
if ($viewHelperVariableContainer->exists(self::class, 'PageRenderer')) {
$pageRenderer = $viewHelperVariableContainer->get(self::class, 'PageRenderer');
} else {
$pageRenderer = GeneralUtility::makeInstance(PageRenderer::class);
$viewHelperVariableContainer->add(self::class, 'PageRenderer', $pageRenderer);
}
return $pageRenderer;
}
}